kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3751 Comm: syz-executor.0 Not tainted 5.2.0-rc1+ #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rt_cache_valid+0x33/0x190 net/ipv4/route.c:1560 Code: 31 e4 53 48 89 fb e8 8c fd 8a fb 48 85 db 74 4f e8 82 fd 8a fb 48 8d 7b 3a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 07 RSP: 0018:ffff88806ef8f9a8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000000c1 RCX: ffffc900071f3000 RDX: 000000000000001f RSI: ffffffff85e5a6ee RDI: 00000000000000fb RBP: ffff88806ef8f9c0 R08: ffff8880621ea480 R09: ffffed1015d26be0 R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000000 R13: ffff8880a9416068 R14: ffff88809d5df9e8 R15: ffff888087105d40 FS: 00007effc8382700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f17585df028 CR3: 000000005ce6a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mkroute_output net/ipv4/route.c:2336 [inline] ip_route_output_key_hash_rcu+0x819/0x2d50 net/ipv4/route.c:2568 ip_route_output_key_hash+0x1ef/0x360 net/ipv4/route.c:2397 __ip_route_output_key include/net/route.h:129 [inline] ip_route_connect include/net/route.h:307 [inline] dccp_v4_connect+0x75a/0x1550 net/dccp/ipv4.c:75 __inet_stream_connect+0x834/0xe90 net/ipv4/af_inet.c:659 inet_stream_connect+0x58/0xa0 net/ipv4/af_inet.c:723 __sys_connect+0x264/0x330 net/socket.c:1840 __do_sys_connect net/socket.c:1851 [inline] __se_sys_connect net/socket.c:1848 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1848 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459279 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007effc8381c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279 RDX: 0000000000000010 RSI: 0000000020e5c000 RDI: 0000000000000004 RBP: 000000000075c060 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effc83826d4 R13: 00000000004bf740 R14: 00000000004d0c00 R15: 00000000ffffffff Modules linked in: ---[ end trace 9213c70a632cfe81 ]--- RIP: 0010:rt_cache_valid+0x33/0x190 net/ipv4/route.c:1560 Code: 31 e4 53 48 89 fb e8 8c fd 8a fb 48 85 db 74 4f e8 82 fd 8a fb 48 8d 7b 3a 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 07 RSP: 0018:ffff88806ef8f9a8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000000c1 RCX: ffffc900071f3000 RDX: 000000000000001f RSI: ffffffff85e5a6ee RDI: 00000000000000fb RBP: ffff88806ef8f9c0 R08: ffff8880621ea480 R09: ffffed1015d26be0 R10: ffffed1015d26bdf R11: ffff8880ae935efb R12: 0000000000000000 R13: ffff8880a9416068 R14: ffff88809d5df9e8 R15: ffff888087105d40 FS: 00007effc8382700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 000000005ce6a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400